SHEAR BEHAVIOR ANALYSES OF RC BEAMS USING ROTATING CRACK MODEL

Abstract

Finite element analyses of RC beams, those failure modes are shear failure, are performed using rotating crack model and considering both fracture energies for tension and compression sides. As the results, although rotating crack model can not simulate diagonal tension crack perfectly, shear behavior of RC beam without shear reinforcement is captured regardless of failure modes, element size dependence in a numerical analysis is reduced owing to fracture energies and size effect of shear strength is simulated by the analysis. The analysis tends to underestimate an effect of shear reinforcement.